1. Is English spoken in your class?
2. Is soccer played all over the world?
3. How is English learned ?
4. Is English taught in Vietnamese ?
5. This blouse isn't used very often
6. Lesson isn't had on saturday
7. The light ought to be turned off before going out
8. The class must be cleaned before thier teacher comes in
Ngoài ra câu 7,8 có thể làm :
7. We should turn off the light before going out
8. Students have to clean the class before their teacher comes in
Chúc bạn học tốt!